interface I {
    // INFO: {checked: "true", toAbstract: "true"}
    fun refer()
}

// NAME: I
// SIBLING:
class BrokenRef : I {
    private fun fun1() {}
    fun fun2() {}

    // INFO: {checked: "true", toAbstract: "true"}
    override fun refer() {
        fun1()
        fun2()
    }
}